The highest profile was in Munich where they did migrate >10,000 desktops to Linux and OpenOffice, but eventually they migrated back to Windows and Office:
Note that even when these projects succeed, the software users are running is invariably just Firefox, and often users have both a Windows and Linux PC side by side. There are no actual Linux apps being developed or maintained, in the sense of apps that use Linux APIs.
The highest profile was in Munich where they did migrate >10,000 desktops to Linux and OpenOffice, but eventually they migrated back to Windows and Office:
https://en.wikipedia.org/wiki/LiMux
Lower Saxony:
https://www.zdnet.com/article/windows-scores-a-win-over-linu...
Vienna:
https://en.wikipedia.org/wiki/Wienux
Note that even when these projects succeed, the software users are running is invariably just Firefox, and often users have both a Windows and Linux PC side by side. There are no actual Linux apps being developed or maintained, in the sense of apps that use Linux APIs.